CH436242A - Procédé de récupération d'hydroxyéthylcellulose - Google Patents
Procédé de récupération d'hydroxyéthylcelluloseInfo
- Publication number
- CH436242A CH436242A CH399065A CH399065A CH436242A CH 436242 A CH436242 A CH 436242A CH 399065 A CH399065 A CH 399065A CH 399065 A CH399065 A CH 399065A CH 436242 A CH436242 A CH 436242A
- Authority
- CH
- Switzerland
- Prior art keywords
- hydroxyethylcellulose
- film
- solution
- coating
- coated
- Prior art date
Links
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 title claims description 51
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 title claims description 50
- 239000004354 Hydroxyethyl cellulose Substances 0.000 title claims description 50
- 238000011084 recovery Methods 0.000 title description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 33
- 238000000034 method Methods 0.000 claims description 15
- 239000000725 suspension Substances 0.000 claims description 11
- 230000002209 hydrophobic effect Effects 0.000 claims description 9
- 239000007864 aqueous solution Substances 0.000 claims description 8
- 229920001577 copolymer Polymers 0.000 claims description 5
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 claims description 4
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical class C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims description 4
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims description 4
- 238000010008 shearing Methods 0.000 claims description 4
- 238000011282 treatment Methods 0.000 claims description 4
- 229920005992 thermoplastic resin Polymers 0.000 claims description 3
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 claims 1
- 239000006185 dispersion Substances 0.000 claims 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims 1
- 239000000243 solution Substances 0.000 description 28
- 238000000576 coating method Methods 0.000 description 23
- 239000011248 coating agent Substances 0.000 description 21
- 229920005989 resin Polymers 0.000 description 19
- 239000011347 resin Substances 0.000 description 19
- 239000002699 waste material Substances 0.000 description 14
- 239000002245 particle Substances 0.000 description 13
- 238000005266 casting Methods 0.000 description 6
- 239000003518 caustics Substances 0.000 description 5
- 238000004090 dissolution Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
- 244000305267 Quercus macrolepis Species 0.000 description 3
- 235000016976 Quercus macrolepis Nutrition 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 229920002678 cellulose Polymers 0.000 description 3
- 239000001913 cellulose Substances 0.000 description 3
- 239000000839 emulsion Substances 0.000 description 3
- 239000012634 fragment Substances 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 244000124209 Crocus sativus Species 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- CWSZBVAUYPTXTG-UHFFFAOYSA-N 5-[6-[[3,4-dihydroxy-6-(hydroxymethyl)-5-methoxyoxan-2-yl]oxymethyl]-3,4-dihydroxy-5-[4-hydroxy-3-(2-hydroxyethoxy)-6-(hydroxymethyl)-5-methoxyoxan-2-yl]oxyoxan-2-yl]oxy-6-(hydroxymethyl)-2-methyloxane-3,4-diol Chemical compound O1C(CO)C(OC)C(O)C(O)C1OCC1C(OC2C(C(O)C(OC)C(CO)O2)OCCO)C(O)C(O)C(OC2C(OC(C)C(O)C2O)CO)O1 CWSZBVAUYPTXTG-UHFFFAOYSA-N 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 239000000020 Nitrocellulose Substances 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229920001220 nitrocellulos Polymers 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000012785 packaging film Substances 0.000 description 1
- 229920006280 packaging film Polymers 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 229920000131 polyvinylidene Polymers 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000005063 solubilization Methods 0.000 description 1
- 230000007928 solubilization Effects 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J11/00—Recovery or working-up of waste materials
- C08J11/04—Recovery or working-up of waste materials of polymers
- C08J11/06—Recovery or working-up of waste materials of polymers without chemical reactions
- C08J11/08—Recovery or working-up of waste materials of polymers without chemical reactions using selective solvents for polymer components
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B11/00—Preparation of cellulose ethers
- C08B11/02—Alkyl or cycloalkyl ethers
- C08B11/04—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals
- C08B11/08—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals with hydroxylated hydrocarbon radicals; Esters, ethers, or acetals thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J11/00—Recovery or working-up of waste materials
- C08J11/04—Recovery or working-up of waste materials of polymers
- C08J11/06—Recovery or working-up of waste materials of polymers without chemical reactions
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2301/02—Cellulose; Modified cellulose
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sustainable Development (AREA)
- Materials Engineering (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US39430764A | 1964-09-03 | 1964-09-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH436242A true CH436242A (fr) | 1967-05-31 |
Family
ID=23558395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH399065A CH436242A (fr) | 1964-09-03 | 1965-03-23 | Procédé de récupération d'hydroxyéthylcellulose |
Country Status (8)
| Country | Link |
|---|---|
| AT (1) | AT263812B (en)) |
| BE (1) | BE660124A (en)) |
| CH (1) | CH436242A (en)) |
| DE (1) | DE1570164C3 (en)) |
| ES (1) | ES309552A1 (en)) |
| FR (1) | FR1425734A (en)) |
| GB (1) | GB1065105A (en)) |
| NL (1) | NL6501571A (en)) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2570019B (en) | 2018-09-17 | 2021-04-21 | Impact Laboratories Ltd | Plastic recycling process |
-
1965
- 1965-01-25 GB GB316965A patent/GB1065105A/en not_active Expired
- 1965-02-09 NL NL6501571A patent/NL6501571A/xx unknown
- 1965-02-19 AT AT151065A patent/AT263812B/de active
- 1965-02-19 ES ES0309552A patent/ES309552A1/es not_active Expired
- 1965-02-23 BE BE660124D patent/BE660124A/xx unknown
- 1965-02-25 FR FR7063A patent/FR1425734A/fr not_active Expired
- 1965-03-23 CH CH399065A patent/CH436242A/fr unknown
- 1965-05-08 DE DE1570164A patent/DE1570164C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE660124A (en)) | 1965-06-16 |
| AT263812B (de) | 1968-08-12 |
| GB1065105A (en) | 1967-04-12 |
| ES309552A1 (es) | 1965-05-16 |
| NL6501571A (en)) | 1966-03-04 |
| DE1570164C3 (de) | 1974-01-24 |
| FR1425734A (fr) | 1966-01-24 |
| DE1570164B2 (de) | 1973-06-14 |
| DE1570164A1 (de) | 1969-08-14 |
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